"Stained Glass Work: A text-book for students and workers in glass" by C. W. Whall is a practical guide in the art and craft of stained glass, likely written in the early 20th century. This text serves both students and artisans seeking to deepen their understanding of stained glass techniques, materials, and design principles. The book delves into the processes involved in creating stained glass windows, from cutting and painting to firing and installation. The opening of the work introduces fundamental concepts and tools related to stained glass production. Whall emphasizes the difference between colored glass and painted glass, outlining the basics of working with glass, including the importance of using the right techniques for cutting and assembling pieces with lead. He also touches on the significance of craftsmanship, urging a balance of artistic design with practical skill—a theme that indicates the broader aim of the book to elevate the standards of workmanship in the stained glass craft. (This is an automatically generated summary.)